GB2013982B - Electromagnetic positioner - Google Patents

Electromagnetic positioner

Info

Publication number
GB2013982B
GB2013982B GB7846010A GB7846010A GB2013982B GB 2013982 B GB2013982 B GB 2013982B GB 7846010 A GB7846010 A GB 7846010A GB 7846010 A GB7846010 A GB 7846010A GB 2013982 B GB2013982 B GB 2013982B
Authority
GB
United Kingdom
Prior art keywords
electromagnetic positioner
positioner
electromagnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB7846010A
Other versions
GB2013982A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koehring Co
Original Assignee
Koehring Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koehring Co filed Critical Koehring Co
Publication of GB2013982A publication Critical patent/GB2013982A/en
Application granted granted Critical
Publication of GB2013982B publication Critical patent/GB2013982B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86614—Electric

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Servomotors (AREA)
  • Electromagnets (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Magnetically Actuated Valves (AREA)
GB7846010A 1978-02-06 1978-11-24 Electromagnetic positioner Expired GB2013982B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/875,303 US4282502A (en) 1978-02-06 1978-02-06 Electromagnetic positioner

Publications (2)

Publication Number Publication Date
GB2013982A GB2013982A (en) 1979-08-15
GB2013982B true GB2013982B (en) 1982-03-31

Family

ID=25365558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7846010A Expired GB2013982B (en) 1978-02-06 1978-11-24 Electromagnetic positioner

Country Status (5)

Country Link
US (1) US4282502A (en)
JP (1) JPS54116735A (en)
CA (1) CA1111473A (en)
DE (1) DE2903086A1 (en)
GB (1) GB2013982B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378031A (en) * 1979-05-22 1983-03-29 Koehring Company Electrohydraulic servovalve
JPS56150963A (en) * 1980-04-24 1981-11-21 Nippon Soken Inc Rotary driving device
GB2117181B (en) * 1982-03-19 1986-02-12 Dowty Hydraulic Units Ltd Armature position adjusting device in
DE3226456A1 (en) * 1982-07-15 1984-01-19 Robert Bosch Gmbh, 7000 Stuttgart Electromagnetic actuating drive, especially for exhaust-gas feedback valves on motor vehicle engines
US4507634A (en) * 1983-04-28 1985-03-26 Pneumo Corporation Force motor with null centering and null position bias
US4617966A (en) * 1983-12-01 1986-10-21 Bardle Servovalve Co. Electromagnetic positioner for a servovalve or the like
US4560969A (en) * 1983-12-01 1985-12-24 Bardle Servovalve Company Electromagnetic positioner for a servovalve or the like
US4760491A (en) * 1987-02-02 1988-07-26 Loral Corporation Fail-safe brake valve driver
US6065451A (en) * 1997-08-26 2000-05-23 Alliedsignal Inc. Bypass valve with constant force-versus-position actuator
US7210500B2 (en) * 2004-10-28 2007-05-01 Hr Textron, Inc. Methods and apparatus for mechanically adjusting a null offset in a torque motor of a servovalve
CN106377278A (en) * 2015-07-28 2017-02-08 中慧医学成像有限公司 3D imaging ultrasonic scanning method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2853090A (en) * 1952-10-28 1958-09-23 Westinghouse Electric Corp Pilot valve means for hydraulic apparatus
US2794092A (en) * 1953-11-12 1957-05-28 Five Star Company Inc Sensitive relay
US2939055A (en) * 1958-04-25 1960-05-31 Herman B Graves Torque motor
US3058038A (en) * 1959-11-20 1962-10-09 Weston Hydraulics Ltd Torque motor with null balance
US3238398A (en) * 1962-09-18 1966-03-01 Servotronics Torque motor
US3381150A (en) * 1962-09-18 1968-04-30 Servotronics Torque motor
US3777784A (en) * 1971-12-06 1973-12-11 Koehring Co Fluidic feedback servo valve

Also Published As

Publication number Publication date
US4282502A (en) 1981-08-04
CA1111473A (en) 1981-10-27
JPS54116735A (en) 1979-09-11
DE2903086A1 (en) 1979-08-09
GB2013982A (en) 1979-08-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941124